428 NATURAL HISTORY OF PLANTS. 



21. Calophyllmn L. — Flowers polygamous (nearly of Mammea); 

 sepals offcener 4, imbricate ; tlie interior sometimes petaloid. Petals 

 2-8 (more rarely 0), imbricate. Stamens oo ; filaments free or poly- 

 adelphous at base, more rarely l-adelpbous ; anthers oblong or linear, 

 basifixed, introrse or extrorse, 2-rimose. Germen (in male flower 

 rudimentary or 0) 1-locular ; style slender or subulate, at apex stig- 

 matose capitate or cupular, entire or lobulate. Ovule 1, suberect or 

 ascending ; anatropous ; micropyle inferior. Fruit dnipaceous ; 

 flesh oftener scanty, finally suberose ; putamen crustaceous ; seed 

 ascending ; embryo thick exalbuminous, etc., of Mammea. — Trees 

 or shrubs ; leaves opposite or subverticillate, entire coriaceous nitid 

 very closely striato-penninerved ; flowers in axillary and terminal 

 compound cymiferous racemes. {Trojp. Asia^ Oceania, and America.) 

 —See p. 410. 



V. QUIINE.^. 



22. Quiina Aubl. — Flowers polygamous ; sepals 4-5, unequal, 

 imbricate. Petals 4-8, either free, or connate at base with each 

 other and with the stamens, imbricate or imbricately convolute. 

 Stamens oo , hypogynous ; fllaments free or connate at base, corru- 

 gately flexuose in bud ; anthers small sub-2-dymous ; cells subglo- 

 bose, at margin or introrsely rimose. Germen (in male flower 

 rudimentary or 0) sessile, 2-4-locular ; styles 2-4, slender, distinct 

 at base, more or less plicate in bud, at apex stigmatose capitate or 

 discoid. Ovules in cells 2, ascending ; micropyle extrorsely inferior. 

 Fruit baccate, sometimes juiceless ; endocarp fibrous, sometimes 

 scarcely or tardily unequally 2-4-valved. Seeds few or oftener 1, 

 externally tomentose, cotyledons exalbuminous embryo fleshy plano- 

 convex ; radicle conical inferior rather short. — Trees or shrubs, 

 sometimes climbing, with gummy juice ; leaves opposite or verticil- 

 late, entire or crenate, sometimes dentate or unequally pinnatipartite 

 (Touroulia), penninerved, nervose, finely vein-lined; stipules (?) 2, 

 narrow, rather rigid, sometimes foliaceous ; flowers (small) in axillary 

 or terminal more or less compound cymiferous and divaricately 

 racemose racemes. (Trop. America.) — See p. 411. 



